David Vaux is an ex-firefighter and is now one of Britain’s leading Osteopaths, specialising in strength-focused activity in older age.

Dr Melita Irving is a London-based consultant and honorary reader in clinical genetics.

Tim James is an expert in science, making seemingly complex topics entertaining for all ages.

He is a leading systems thinker, advising both the UK government and the European Environment Agency.

Ruth Aylett is a senior Professor of Computer Science at Heriot-Watt University in Edinburgh.

She is an executive associate of the Edinburgh Centre for Robotics.

Sustainability leader, visionary, writer, film maker. Expert in InnSæi: flourishing, leading and innovating in an age of distraction and transformation.